package com.bg.rpc.service;

/**
 * @Auther: zhengshunzhi
 * @Date: 2018/8/24 16:07
 * @Description: 服务提供者接口
 */
public interface IDiff {
    //减法计算
    double diff(double a, double b);

    //加法计算
    public int sum(int a, int b);

    //乘法计算
    public int mult(int a, int b);
}
